{"product_id":"fnirsi-dso-tc4-upgrade-3-in-1-digital-10mhz-48ms-s-electronics-component-tester-repair-tool","title":"FNIRSI DSO-TC4 3-IN-1 10MHz 48MSa\/s Digital Oscilloscope Transistor Tester Signal Generator","description":"\u003csection data-tufzen-geo-summary=\"v1\" class=\"tufzen-product-summary\"\u003e\u003ch2\u003eProduct Summary\u003c\/h2\u003e\n\u003cp\u003eFNIRSI® DSO-TC4 3-IN-1 10MHz 48MSa\/s Digital Oscilloscope Transistor Tester Signal Generator is a digital oscilloscope selected for checking waveforms, debugging signals and validating circuit behavior. It is suitable for electronics repair technicians, lab users and embedded developers who need practical electronics hardware for reliable project work.\u003c\/p\u003e\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003echecking waveforms, debugging signals and validating circuit behavior\u003c\/li\u003e\n\u003cli\u003etest leads, probes and bench electronics workflows\u003c\/li\u003e\n\u003cli\u003eElectronics testing, repair, prototyping and maker workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWho is this product for?\u003c\/strong\u003e It is intended for electronics repair technicians, lab users and embedded developers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I check before buying?\u003c\/strong\u003e Review the product options, specifications, included accessories and compatibility details on this page.\u003c\/p\u003e\u003c\/section\u003e\u003cdiv\u003e\n\u003ch3 class=\"title\"\u003eHighlights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e◉ Multifunctional Tool\u003c\/strong\u003e: Combines oscilloscope, transistor tester, and signal generator in one upgraded device for versatile use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e◉ Smart Burnout Protection\u003c\/strong\u003e: Full-range protection ensures safe measurements across all modes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e◉ High-Performance Scope\u003c\/strong\u003e: 10MHz bandwidth, 48MSa\/s sampling rate, max input 400V. One-touch AUTO for fast, accurate signal capture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e◉ Component Identification\u003c\/strong\u003e: One-click test for diodes, Zener diodes, SCRs, capacitors, resistors, inductors, transistors, MOSFETs, and more.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e◉ TFT Color Display\u003c\/strong\u003e: 2.8\" high-resolution TFT screen for clear waveform and data visualization.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eDSO-TC4 is a multifunctional equipment launched by FNIRSI, which is comprehensive and practical, and is designed for the maintenance and R\u0026amp;D industries.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eThe main features of the product are:\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• Sampling rate: 48MSa\/s\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• Analog bandwidth: 10MHz\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• Voltage protection: ±400V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• Waveform storage: supports screenshot saving and viewing, which is convenient for data analysis\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• Supports 13 waveform outputs, frequency range 0-50KHz, output voltage adjustable 0-3v.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• Output parameters (frequency, amplitude, duty cycle) are adjustable, flexible to meet various needs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• High efficiency: Automatically identify the type and pin arrangement of the tested component, simplify the operation process, and improve test efficiency\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• Diverse categories: Detect and analyze the performance and characteristics of semiconductor components such as transistors, diodes, triodes, field effect (FET), etc.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• Equipped with a 2.8-inch TFT color screen, the picture is clear and intuitive\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• Built-in high-capacity rechargeable lithium battery (1500mAh), standby time 4 hours\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• Small and light, suitable for mobile use.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eFNIRSI-DSO-TC4 is committed to providing users with powerful, flexible functions and portable operation experience, and is an ideal tool for maintenance and R\u0026amp;D work.\u003c\/span\u003e\u003c\/p\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003e3.1 Parameters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eReal-Time Sampling Rate:48MSa\/s\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eAnalog Bandwidth:10MHz\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eInput Impedance:1M ohm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eCoupling Mode:AC\/DC\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eTest Voltage Range:1:1 Probe: 80Vpp (+40V)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e10:1 Probe: 800Vpp (+400V)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eVertical Sensitivity:10mV\/div-10V\/div (X1 range)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eVertical Displacement:Adjustable with indication\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eTime Base Range:50ns-20s\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eTrigger Mode:Auto\/Normal\/Single\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eTrigger Type:Rising edge, Falling edge\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eTrigger Level:Adjustable with indication\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eWaveform Freeze:Yes (HOLD function)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eAutomatic Measurement:Max, Min, Avg, RMS, Vpp, Frequency, Cycle, Duty Cycle\u003c\/span\u003e\u003c\/p\u003e\u003ch4\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003e3.2 Parameters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eTransistor Test:Support\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eDiode Test:Forward voltage drop \u0026lt;5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eZener Diode Test:0.01-4.5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eField-Effect Transistor (FET) Test:JFET, IGBT, MIOSTET\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eUnidirectional SCR Test:Trigger voltage \u0026lt;5V, Gate level\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eBidirectional SCR Test:Trigger current \u0026lt;6mA\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eCapacitor Test:25pF-1000uF\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eResistor Test:0.01 ohm-50M ohm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eInductor Test:10uH-1000uH\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eDS18B20 Test:Support\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eDHT11 Test:Support\u003c\/span\u003e\u003c\/p\u003e\u003ch4\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003e3.3 Parameters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eOutput WaveformSupports13 waveform outputs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eWaveform Frequency0-50KHz\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eSquare Wave Duty Cycle0-100%\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eWaveform Amplitude0.1V-3.0V\u003c\/span\u003e\u003c\/p\u003e\u003ch4\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003e3.4 Parameters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eModel:DSO-TC4\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eLanguages:Chinese、English、Deutsch、Português、にほんご、Español、한국인、Pyccкий\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eScreen:2.8-inch TFT Color Screen\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eBacklight:Brightness Adjustable\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003ePower Supply:TYPE-C(5V\/1A)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eBattery:3.7V\/1500mAh\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eSize:≈90x142x27.5mm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eProduct Weight:≈186g\u003c\/span\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eDSO-TC4 Host *1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eTest Hook *3\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eP6100 Probe *1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eAlligator Clip Probe *1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eUSB Type-C *1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eUser Manual *1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003ePackage Bo *1\u003c\/span\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_01.jpg?v=1742460860\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_02-2.jpg?v=1750233581\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_03.jpg?v=1742460860\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_04.jpg?v=1742460860\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_05.jpg?v=1742460860\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_06.jpg?v=1742460860\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_07.jpg?v=1742460860\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_08.jpg?v=1742460860\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_09.jpg?v=1742460860\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_10.jpg?v=1742460860\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_11.jpg?v=1742460860\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_12.jpg?v=1742460860\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0694\/8310\/2426\/files\/FNIRSI_DSO-TC4_3-IN-1_10MHz_Digital_Oscilloscope_Transistor_Tester_Signal_Generator_Details_PC_13.jpg?v=1742460859\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"FNIRSI","offers":[{"title":"Standard \/ DSO-TC4","offer_id":46013403562242,"sku":"FNIRSI DSO-TC4","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S00f736a9e8cf42c486ef7debf05701de4.webp?v=1742800325","url":"https:\/\/proengi.com\/products\/fnirsi-dso-tc4-upgrade-3-in-1-digital-10mhz-48ms-s-electronics-component-tester-repair-tool","provider":"PROENGI","version":"1.0","type":"link"}